remove benchmarks img from readme

Author: phnx47

README.md

@@ -25,12 +25,9 @@ Our main goals:
 - Extensibility is one of the core values, together with performance and minimal allocation.
 - We are open for suggestions and new ideas, contribution is always welcomed.
 
-## Performance comparison with prometheus-net
+You can find the [benchmark descriptions](https://github.com/prom-client-net/prom-client/blob/main/docs/benchmarks).
 
-![General use case benchmarks](https://raw.githubusercontent.com/prom-client-net/prom-client/main/docs/benchmarks/generalcase.png)
-Find more details on [benchmarks description](https://github.com/prom-client-net/prom-client/blob/main/docs/benchmarks/GeneralUseCase.md)
-
-## Installation
+## Install
 
 ```sh
 dotnet add package Prometheus.Client
@@ -39,7 +36,7 @@ dotnet add package Prometheus.Client
 ### Extensions
 
 | Name                                                                         | Description                            |
-|------------------------------------------------------------------------------|----------------------------------------|
+| ---------------------------------------------------------------------------- | -------------------------------------- |
 | [Prometheus.Client.AspNetCore][asp-net-core]                                 | ASP.NET Core middleware                |
 | [Prometheus.Client.DependencyInjection][dependency-injection]                | Dependency Injection extensions        |
 | [Prometheus.Client.HttpRequestDurations][http-request-durations]             | Metrics logging of request durations   |

docs/benchmarks/GeneralUseCase.md

@@ -1,5 +1,7 @@
 # General Use Case Benchmarks
 
+![General use case benchmarks](generalcase.png)
+
 ## Legend
 * **NoLabels** - 10 000 calls to resolve a metric (1000 unique metrics) without labels and then performing observation method.
 * **WithLabels** - 10 000 calls to resolve a metric (1000 unique metrics) with labels and then performing observation method for unlabelled sample.
@@ -27,7 +29,7 @@
 |      WithLabelsAndSamples_Tuple | 131.681 ms | 1.8447 ms | 2.1243 ms | 132.430 ms |  0.63 |    0.03 |          - |     - |     - |     49.62 KB |
 | WithLabelsAndSamples_Int64Array | 166.056 ms | 2.4496 ms | 2.8210 ms | 167.168 ms |  0.79 |    0.03 | 11000.0000 |     - |     - |     47395 KB |
 | WithLabelsAndSamples_Int64Tuple | 128.643 ms | 1.3117 ms | 1.5105 ms | 129.282 ms |  0.62 |    0.02 |          - |     - |     - |     48.84 KB |
-  
+
 </details>
 
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